This is a rather complicated version of the usual Spiderman. If you can pull it off you really are a superhero, be proud. After receiving a hand-job and nutting in your chicks hands immediately spin her around and slam her up against the wall. With her hands flat up against the wall fuck her from behind long enough for the jizz to dry on her hands sticking her to the wall like Spidey! If she struggles or screams at you remind her that, "With great power comes great responsibility". Leave quickly while she contemplates this...